54 12 004 Adjusting sun roof

CAUTION: Do not move floating roof liner with force. Follow procedure precisely because otherwise mechanism (guide) on slide/tilt sunroof cassette can be damaged. It then has to be replaced.

Ideal adjustment:

Gaps (A) between sunroof and front and back of roof of equal size.

Height:

Front - flush to 1 mm deeper.

Rear - flush to 1 mm higher.

Fig 1: Identifying Adjustment Gaps Between Roof And Sunroof

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Initializing slide/tilt sunroof, refer to 54 0 ... NOTES ON STEEL AND GLASS SLIDE/TILT SUNROOFS (INITIALIZATION/NORMALIZATION/LEARNING OF CHARACTERISTIC CURVE) .

Closing slide/tilt sunroof lid (zero setting).

Press button to open roof briefly (1), then stop again (2) (inching function).

Fig 2: Pressing Button To Open Roof Briefly

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The slide/tilt sunroof lid must now lower at back by dimension (A).

(A) = 2 ... 4 mm.

Fig 3: Identifying Slide/Tilt Sunroof Lowering Dimension

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CAUTION: Swift movement of the slide/tilt sunroof can damage mechanism (guide) of the slide/tilt sunroof cassette. Do not move floating roof liner with force.

Slowly slide floating roof liner right back (with clean hands, or wearing protective gloves).

Fig 4: Identifying Slide Floating Roof Liner

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Closing slide/tilt sunroof lid (zero setting).

CAUTION: It is now no longer possible to move slide/tilt sunroof lid backwards (damage to mechanism).

Rear adjustment:

Unfasten nut (2) and replace.

Slide in adjusting wedges (1) on left and right until ideal setting is reached.

Press slide/tilt sunroof lid forwards, then tighten the outer nut (2) first of all.

Tightening torque - refer to 54 12 MECHANICAL SUN ROOF COMPONENTS .

Fig 5: Sliding In Adjusting Wedges On Left And Right

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Front adjustment:

Loosen left/right screws (1).

Push slide/tilt sunroof lid upwards or downwards until ideal setting is reached.

Tighten screws (1).

Installation:

Tightening torque - refer to 54 12 MECHANICAL SUN ROOF COMPONENTS .

Replace removed screws (micro-encapsulation) or install old screws with Loctite 270.

Fig 6: Loosening Left/Right Screws

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Press button to open roof briefly (1) then stop again (2) (inching function).

Fig 7: Pressing Button To Open Roof Briefly

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The slide/tilt sunroof lid must now lower at back by dimension (A).

(A) = 2 ... 4 mm.

Fig 8: Identifying Slide/Tilt Sunroof Lid Dimension

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CAUTION: Swift movement of the slide/tilt sunroof can damage mechanism (guide) of the slide/tilt sunroof cassette.

Fig 9: Identifying Slide/Tilt Sunroof

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Pull floating roof liner forwards (with clean hands or wearing protective gloves).

Installation:

Check function.